500 HzLowest frequency
64,000 HzHighest frequency
7.0Octaves
3.2×Upper limit vs. humans
How it compares
Greater wax mothsBottlenose dolphinsBeluga whalesBatsMiceRatsCatsOpossumsGerbilsGuinea pigsDogsHedgehogsFerretsSheepRabbitsPigsRaccoonsGoatsCowsHorsesChinchillasHumansElephantsOwlsBudgerigars (parakeets)CanariesCockatielsTree frogsCatfishBullfrogsGoldfishChickensTuna
10 Hz1001 kHz10 kHz100 kHz
Shaded band: typical human range (20 Hz–20 kHz). Log scale.
Tones opossums can hear
Tones opossums cannot hear
Frequently asked questions
What frequencies can opossums hear?
About 500 Hz to 64,000 Hz.
Can opossums hear ultrasound?
Yes – their upper limit is above 20 kHz.
Can opossums hear infrasound?
No – their lower limit is above 20 Hz.
Sources & credits
- Wikipedia – Hearing range (compiled from Fay 1988; Heffner & Heffner) · Approximate hearing ranges from behavioural audiograms (largely Fay 1988 and Heffner & Heffner), usually measured at 60 dB SPL. Individual animals, ages and studies differ.